Supplemental Consolidating Data - Schedule of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net income	$ 130,797	$ 232,233
Adjustments to reconcile Net income to Net cash provided by operating activities:
Depreciation and amortization	41,704	41,504
Amortization of deferred loan origination costs	15,856	18,282
Amortization of financing origination fees	3,269	3,358
Provision for long-term employee benefits	(13,763)	(13,933)
Employee benefit plan contributions and payments	(1,556)	(1,399)
Stock compensation expense	6,815	16,212
Net change in wholesale finance receivables related to sales	(270,851)	(435,047)
Provision for credit losses	53,334	61,010
Deferred income taxes	18,573	5,399
Other, net	2,808	1,769
Changes in current assets and liabilities:
Accounts receivable, net	(72,586)	(47,119)
Finance receivables – accrued interest and other	(3,496)	1,213
Inventories, net	42,217	131,529
Accounts payable and accrued liabilities	203,281	53,233
Other current assets	(14,868)	35,753
Total adjustments	10,737	(128,236)
Net cash provided by operating activities	141,534	103,997
Cash flows from investing activities:
Capital expenditures	(29,973)	(46,356)
Origination of finance receivables	(736,801)	(907,769)
Collections on finance receivables	827,998	841,914
Other investing activities	171	(289)
Net cash provided (used) by investing activities	61,395	(112,500)
Cash flows from financing activities:
Proceeds from issuance of medium-term notes	647,088	0
Repayments of securitization debt	(292,671)	(234,178)
Borrowings of asset-backed commercial paper	155,000	334,561
Repayments of asset-backed commercial paper	(65,004)	(46,154)
Net (decrease) increase in unsecured commercial paper	(140,778)	58,794
Increase (decrease) in deposits	(37,439)	(6,758)
Dividends paid	(22,921)	(24,385)
Repurchase of common stock	(93,095)	(107,812)
Other financing activities	5	7
Net cash provided (used) by financing activities	150,185	(25,925)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	3,299	(7,020)
Net increase (decrease) in cash, cash equivalents and restricted cash	356,413	(41,448)
Cash, cash equivalents and restricted cash:
Cash, cash equivalents and restricted cash, beginning of period	1,740,854	1,648,811
Net (decrease) increase in cash, cash equivalents and restricted cash	356,413	(41,448)
Cash, cash equivalents and restricted cash, end of period	2,097,267	1,607,363
Reportable Legal Entities | Non-Financial Services Entities
Cash flows from operating activities:
Net income	82,539	192,363
Adjustments to reconcile Net income to Net cash provided by operating activities:
Depreciation and amortization	39,344	39,288
Amortization of deferred loan origination costs	0	0
Amortization of financing origination fees	182	180
Provision for long-term employee benefits	(13,763)	(13,933)
Employee benefit plan contributions and payments	(1,556)	(1,399)
Stock compensation expense	6,241	15,583
Net change in wholesale finance receivables related to sales	0	0
Provision for credit losses	0	0
Deferred income taxes	14,735	4,799
Other, net	(5,550)	(1,946)
Changes in current assets and liabilities:
Accounts receivable, net	(334,284)	(311,951)
Finance receivables – accrued interest and other	0	0
Inventories, net	42,217	131,529
Accounts payable and accrued liabilities	125,876	42,313
Other current assets	28,707	14,248
Total adjustments	(97,851)	(81,289)
Net cash provided by operating activities	(15,312)	111,074
Cash flows from investing activities:
Capital expenditures	(29,935)	(45,922)
Origination of finance receivables	0	0
Collections on finance receivables	0	0
Other investing activities	171	(1,289)
Net cash provided (used) by investing activities	(29,764)	(47,211)
Cash flows from financing activities:
Proceeds from issuance of medium-term notes	0
Repayments of securitization debt	0	0
Borrowings of asset-backed commercial paper	0	0
Repayments of asset-backed commercial paper	0	0
Net (decrease) increase in unsecured commercial paper	0	0
Increase (decrease) in deposits	0	0
Dividends paid	(22,921)	(24,385)
Repurchase of common stock	(93,095)	(107,812)
Other financing activities	5	7
Net cash provided (used) by financing activities	(116,011)	(132,190)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	2,870	(6,836)
Net increase (decrease) in cash, cash equivalents and restricted cash	(158,217)	(75,163)
Cash, cash equivalents and restricted cash:
Cash, cash equivalents and restricted cash, beginning of period	1,105,663	1,127,400
Net (decrease) increase in cash, cash equivalents and restricted cash	(158,217)	(75,163)
Cash, cash equivalents and restricted cash, end of period	947,446	1,052,237
Reportable Legal Entities | Financial Services Entities
Cash flows from operating activities:
Net income	48,051	39,763
Adjustments to reconcile Net income to Net cash provided by operating activities:
Depreciation and amortization	2,360	2,216
Amortization of deferred loan origination costs	15,856	18,282
Amortization of financing origination fees	3,087	3,178
Provision for long-term employee benefits	0	0
Employee benefit plan contributions and payments	0	0
Stock compensation expense	574	629
Net change in wholesale finance receivables related to sales	0	0
Provision for credit losses	53,334	61,010
Deferred income taxes	4,102	1,201
Other, net	8,567	3,822
Changes in current assets and liabilities:
Accounts receivable, net	0	0
Finance receivables – accrued interest and other	(3,496)	1,213
Inventories, net	0	0
Accounts payable and accrued liabilities	299,158	270,073
Other current assets	(6,925)	18,092
Total adjustments	376,617	379,716
Net cash provided by operating activities	424,668	419,479
Cash flows from investing activities:
Capital expenditures	(38)	(434)
Origination of finance receivables	(1,493,955)	(2,080,020)
Collections on finance receivables	1,317,330	1,587,609
Other investing activities	0	0
Net cash provided (used) by investing activities	(176,663)	(492,845)
Cash flows from financing activities:
Proceeds from issuance of medium-term notes	647,088
Repayments of securitization debt	(292,671)	(234,178)
Borrowings of asset-backed commercial paper	155,000	334,561
Repayments of asset-backed commercial paper	(65,004)	(46,154)
Net (decrease) increase in unsecured commercial paper	(140,778)	58,794
Increase (decrease) in deposits	(37,439)	(6,758)
Dividends paid	0	0
Repurchase of common stock	0	0
Other financing activities	0	1,000
Net cash provided (used) by financing activities	266,196	107,265
Effect of exchange rate changes on cash, cash equivalents and restricted cash	429	(184)
Net increase (decrease) in cash, cash equivalents and restricted cash	514,630	33,715
Cash, cash equivalents and restricted cash:
Cash, cash equivalents and restricted cash, beginning of period	635,191	521,411
Net (decrease) increase in cash, cash equivalents and restricted cash	514,630	33,715
Cash, cash equivalents and restricted cash, end of period	1,149,821	555,126
Consolidating Adjustments
Cash flows from operating activities:
Net income	207	107
Adjustments to reconcile Net income to Net cash provided by operating activities:
Depreciation and amortization	0	0
Amortization of deferred loan origination costs	0	0
Amortization of financing origination fees	0	0
Provision for long-term employee benefits	0	0
Employee benefit plan contributions and payments	0	0
Stock compensation expense	0	0
Net change in wholesale finance receivables related to sales	(270,851)	(435,047)
Provision for credit losses	0	0
Deferred income taxes	(264)	(601)
Other, net	(209)	(107)
Changes in current assets and liabilities:
Accounts receivable, net	261,698	264,832
Finance receivables – accrued interest and other	0	0
Inventories, net	0	0
Accounts payable and accrued liabilities	(221,753)	(259,153)
Other current assets	(36,650)	3,413
Total adjustments	(268,029)	(426,663)
Net cash provided by operating activities	(267,822)	(426,556)
Cash flows from investing activities:
Capital expenditures	0	0
Origination of finance receivables	757,154	1,172,251
Collections on finance receivables	(489,332)	(745,695)
Other investing activities	0	1,000
Net cash provided (used) by investing activities	267,822	427,556
Cash flows from financing activities:
Proceeds from issuance of medium-term notes	0
Repayments of securitization debt	0	0
Borrowings of asset-backed commercial paper	0	0
Repayments of asset-backed commercial paper	0	0
Net (decrease) increase in unsecured commercial paper	0	0
Increase (decrease) in deposits	0	0
Dividends paid	0	0
Repurchase of common stock	0	0
Other financing activities	0	(1,000)
Net cash provided (used) by financing activities	0	(1,000)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	0	0
Net increase (decrease) in cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash:
Cash, cash equivalents and restricted cash, beginning of period	0	0
Net (decrease) increase in cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash, end of period	$ 0	$ 0